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by Mallus
Sat Feb 21, 2015 3:45 pm
Forum: Spyderco General Discussion
Topic: Schempp Bowie Just dropped!
Replies: 82
Views: 12675

Re: Schempp Bowie Just dropped!

Thanks Gino! The pic and explanation were just what I had in mind!
by Mallus
Wed Feb 18, 2015 7:34 am
Forum: Spyderco General Discussion
Topic: Schempp Bowie Just dropped!
Replies: 82
Views: 12675

Re: Schempp Bowie Just dropped!

Could somebody please comment on the feasibility (or even snap a photo) of the knife in hammergrip w. index finger on the front choil? Thanks!
by Mallus
Wed Feb 11, 2015 1:58 pm
Forum: Spyderco General Discussion
Topic: UK Penknife sprints
Replies: 61
Views: 9201

Re: UK Penknife sprints

52100 would be interesting! I'd rather see effort put on getting the most out of the heat treat in a high apex stability, low carbide steel (be it carbon or stainless) vs. the high carbide monster steels S110V represents.
by Mallus
Sun Feb 08, 2015 3:16 am
Forum: Spyderco General Discussion
Topic: Schempp Bowie Just dropped!
Replies: 82
Views: 12675

Re: Schempp Bowie Just dropped!

Even if it's a liner lock, I'd still like to get one! The looks and thin blade stock are too alluring to resist. :) The top guard looks like an interesting challenge ergonomically; wonder how it'll feel when choked up in hammer grip? Usually I've liked Ed's designs even if the sharp corner on top of...
by Mallus
Sat Feb 07, 2015 3:25 am
Forum: Spyderco General Discussion
Topic: Any new spydies w/ Compression locks?
Replies: 52
Views: 12197

Re: Any new spydies w/ Compression locks?

I'd like to see more compression locks! Even easier to close than backlocks, and less susceptible to up-and-down blade play, what's not to like? I've never warmed to liner locks, don't see any benefit in them over a compression lock. Framelocks much the same. Haven't used ballbearing locks yet, but ...
by Mallus
Thu Jan 29, 2015 2:22 pm
Forum: Spyderco General Discussion
Topic: let's talk about blade play...
Replies: 11
Views: 4218

Re: let's talk about blade play...

I guess normal depends on definition, but all my Spyderco midlocks have it to varying degree. None of them feel insecure with regard to their lock up, but when I'm whittling, or cutting something a bit harder, I notice it immediately. I guess it's a bit like Chinese water torture: once you've become...
by Mallus
Mon Jan 26, 2015 8:29 am
Forum: Spyderco General Discussion
Topic: Any love for the Squeak?
Replies: 36
Views: 6456

Re: Any love for the Squeak?

Plenty of love here! It's a very nice design and fits my hand (size 9) like it was custom made for me. The handle is thick enough and can be gripped hard, I much prefer it over, say, the Dragon Fly or Delica. I'm even entertaining the idea of getting the Titanium version at some point, just to have ...
by Mallus
Mon Jan 19, 2015 12:00 pm
Forum: Spyderco General Discussion
Topic: Toughness as a function of edge retention (?)
Replies: 43
Views: 10974

Re: Toughness as a function of edge retention (?)

Hi Cliff,

Thanks for the summaries, this and the others (http://www.cliffstamp.com/knives/articles/index.html" target="_blank). Nice to have the results of your work collected in one place - much more convenient to check things, should the mood strike. :)
by Mallus
Tue Dec 09, 2014 2:48 pm
Forum: Spyderco General Discussion
Topic: A Tale of 2 Nilakka's
Replies: 49
Views: 11446

Re: A Tale of 2 Nilakka's

Is it an inherent limit of the ingot process? 1095 is an ingot steel, working hardness, after tempering of 67 HRC is possible with the most basic of hardening equipment. The hardness of a steel (ignoring nitrogen) is dependent on : -the carbon % in the martensite -the % of non-martensite phases -th...
by Mallus
Tue Dec 09, 2014 10:08 am
Forum: Spyderco General Discussion
Topic: A Tale of 2 Nilakka's
Replies: 49
Views: 11446

Re: A Tale of 2 Nilakka's

Nitrogen doesn't have this same kind of tie with chromium however and by using Carbon and Nitrogen to form martensite you could shift the hardness up without effecting the carbide balance. It is then just a matter of reducing the chromium amount to prevent primary carbide formation and increasing N...
by Mallus
Mon Dec 08, 2014 7:57 am
Forum: Spyderco General Discussion
Topic: A Tale of 2 Nilakka's
Replies: 49
Views: 11446

Re: A Tale of 2 Nilakka's

... I'd be interested if the the splashes of vanadium and niobium contribute compared to AEB-L analogues AEB-L has < 5% chromium carbides. It would be curious how the steel would behave if it was rebalanced with a C/N split to allow a HRC of 67/68 HRC with < 5% niobium carbides and the same Cr% in ...
by Mallus
Sat Dec 06, 2014 1:31 pm
Forum: Spyderco General Discussion
Topic: A Tale of 2 Nilakka's
Replies: 49
Views: 11446

Re: A Tale of 2 Nilakka's

I'd aim for the original, thin grind and a low carbide, high hardness steel. 14C28N would perhaps have marketability over 13C26 / AEB-L, being a corrosion resistant stainless with nitrogen and Nitrobe 77 would be very interesting, were it more readily available. Niolox sounds cool too, I'd be intere...
by Mallus
Fri Nov 28, 2014 5:35 pm
Forum: Spyderco General Discussion
Topic: Edge retention as influenced by apex finishing grit
Replies: 72
Views: 21983

Re: Edge retention as influenced by apex finishing grit

Of course if you have lots of money just use diamonds as a lapping abrasive or CBN if you want to be fancy as cubic boron nitride is way cooler to say than diamond if anyone asks what you are doing. Thanks for the pics! Don't know about lot of money, but at the rate I'm lapping other stones, I thin...
by Mallus
Fri Nov 28, 2014 4:29 pm
Forum: Spyderco General Discussion
Topic: Edge retention as influenced by apex finishing grit
Replies: 72
Views: 21983

Re: Edge retention as influenced by apex finishing grit

I only have one water stone (a combo Cerax 1000/6000)... Find a jewler or someone in an auto body shop or anyone who does sandblasting, go to their shop and say something clever like "Look over there!" and take a handful of low grit loose silicon carbide. It only takes a tiny amount on a stone (as ...
by Mallus
Fri Nov 28, 2014 9:47 am
Forum: Spyderco General Discussion
Topic: Edge retention as influenced by apex finishing grit
Replies: 72
Views: 21983

Re: Edge retention as influenced by apex finishing grit

For the latter knives you referenced, one thing I have done which has had a measure of success is to set an edge similar to : -20+ dps -very coarse -little work on a muddy stone If people do not want very high sharpness then it is likely they are not interested in very high cutting ability and you ...
by Mallus
Fri Nov 28, 2014 3:35 am
Forum: Spyderco General Discussion
Topic: Edge retention as influenced by apex finishing grit
Replies: 72
Views: 21983

Re: Edge retention as influenced by apex finishing grit

I just realized that I can do some sharpening experimenting, take pictures and record sharpness measurements a lot faster than doing the cut trials. It seems obvious in reflection that it might be worth while to look at a few over lays, see what tends to happen and do a select few trials. The behav...
by Mallus
Thu Nov 27, 2014 12:31 pm
Forum: Spyderco General Discussion
Topic: VG-10 Steel Blanks
Replies: 29
Views: 9725

Re: VG-10 Steel Blanks

Since you're in Europe, why not have a look at Brisa (http://www.brisa.fi" target="_blank) or Teräsrenki (http://www.terasrenki.com" target="_blank)? Both have both steel and blanks available and the costs are not that high.
by Mallus
Wed Nov 26, 2014 4:13 pm
Forum: Spyderco General Discussion
Topic: Edge retention as influenced by apex finishing grit
Replies: 72
Views: 21983

Re: Edge retention as influenced by apex finishing grit

I am curious about a few things, like for example what happens if I take the 36-grit edge and do some very light work with a decent high grit sandpaper. Would it be possible to actually raise the sharpness as it were of the teeth or would I just end up with a just sort of more polished finish. Thes...
by Mallus
Wed Nov 26, 2014 4:24 am
Forum: Spyderco General Discussion
Topic: Any love for the Kiwi 4?
Replies: 80
Views: 14656

Re: Any love for the Kiwi 4?

Kiwi 4, like the G10 Persians, suffer in my eyes because of their pinned construction. Not that I lament any mechanical aspect of it, just that I'd like to be able to make a nice set of wooden scales for them. Now, should Spyderco come up with Super Blue Kiwi 4, I might give in, no matter what the s...
by Mallus
Tue Nov 25, 2014 4:44 pm
Forum: Spyderco General Discussion
Topic: Edge retention as influenced by apex finishing grit
Replies: 72
Views: 21983

Re: Edge retention as influenced by apex finishing grit

Thus the reason the the Spyderco Medium rods give such a low slicing edge retention is simply because they produce a very high polish. It also has to be kept in mind that this list pretty much reverses if you look at push cutting edge retention. In fact the extremely coarse edges are so low perform...

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